- streamlined-section tube
- 流线形: streamline form; streamline ...
- 剖面: bisect; section; profile
- 管: pipe; tube
- 形剖面: i-section i; u-shaped core u; u-shaped coreu; u-shaped section u; u-shaped sectionu; v-shaped section; z-section z
- 流线形: streamline form; streamline shape◇流线形轮盖 spat; 流线形外形 slender contour; 流线形罩 spat
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